X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=OvmfPkg%2FLibrary%2FVirtioMmioDeviceLib%2FVirtioMmioDevice.h;h=785876c75f82bf19455b78d5ff3b77f02aef71a6;hp=3e4e5606ccad09dd8bf7cb8d476c0a7e2e46cb2f;hb=HEAD;hpb=6fb4e772a0ad14399532201d1b9ecb811c9c7262

diff --git a/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDevice.h b/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDevice.h
index 3e4e5606cc..7298cf5821 100644
--- a/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDevice.h
+++ b/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDevice.h
@@ -3,14 +3,9 @@
   Internal definitions for the VirtIo MMIO Device driver
 
   Copyright (C) 2013, ARM Ltd
+  Copyright (C) 2017, AMD Inc. All rights reserved.<BR>
 
-  This program and the accompanying materials are licensed and made available
-  under the terms and conditions of the BSD License which accompanies this
-  distribution. The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
-  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
 
@@ -25,13 +20,18 @@
 #include <Library/IoLib.h>
 #include <Library/UefiLib.h>
 #include <Library/VirtioMmioDeviceLib.h>
+#include <Library/MemoryAllocationLib.h>
 
-#define VIRTIO_MMIO_DEVICE_SIGNATURE  SIGNATURE_32 ('V', 'M', 'I', 'O')
+#define VIRTIO_MMIO_DEVICE_SIGNATURE     SIGNATURE_32 ('V', 'M', 'I', 'O')
+#define VIRTIO_MMIO_DEVICE_VERSION_0_95  1
+#define VIRTIO_MMIO_DEVICE_VERSION_1_00  2
 
 typedef struct {
-  UINT32                 Signature;
-  VIRTIO_DEVICE_PROTOCOL VirtioDevice;
-  PHYSICAL_ADDRESS       BaseAddress;
+  UINT32                    Signature;
+  UINT32                    Version;
+  UINT16                    QueueNum;
+  VIRTIO_DEVICE_PROTOCOL    VirtioDevice;
+  PHYSICAL_ADDRESS          BaseAddress;
 } VIRTIO_MMIO_DEVICE;
 
 #define VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE(Device) \
@@ -45,34 +45,27 @@ typedef struct {
 EFI_STATUS
 EFIAPI
 VirtioMmioDeviceRead (
-  IN  VIRTIO_DEVICE_PROTOCOL    *This,
-  IN  UINTN                     FieldOFfset,
-  IN  UINTN                     FieldSize,
-  IN  UINTN                     BufferSize,
-  OUT VOID*                     Buffer
+  IN  VIRTIO_DEVICE_PROTOCOL  *This,
+  IN  UINTN                   FieldOFfset,
+  IN  UINTN                   FieldSize,
+  IN  UINTN                   BufferSize,
+  OUT VOID                    *Buffer
   );
 
 EFI_STATUS
 EFIAPI
 VirtioMmioDeviceWrite (
-  IN  VIRTIO_DEVICE_PROTOCOL    *This,
-  IN  UINTN                     FieldOffset,
-  IN  UINTN                     FieldSize,
-  IN  UINT64                    Value
+  IN  VIRTIO_DEVICE_PROTOCOL  *This,
+  IN  UINTN                   FieldOffset,
+  IN  UINTN                   FieldSize,
+  IN  UINT64                  Value
   );
 
 EFI_STATUS
 EFIAPI
 VirtioMmioGetDeviceFeatures (
-  IN VIRTIO_DEVICE_PROTOCOL *This,
-  OUT UINT32                *DeviceFeatures
-  );
-
-EFI_STATUS
-EFIAPI
-VirtioMmioGetQueueAddress (
-  IN  VIRTIO_DEVICE_PROTOCOL *This,
-  OUT UINT32                 *QueueAddress
+  IN VIRTIO_DEVICE_PROTOCOL  *This,
+  OUT UINT64                 *DeviceFeatures
   );
 
 EFI_STATUS
@@ -92,56 +85,92 @@ VirtioMmioGetDeviceStatus (
 EFI_STATUS
 EFIAPI
 VirtioMmioSetQueueSize (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT16                  QueueSize
+  IN VIRTIO_DEVICE_PROTOCOL  *This,
+  IN UINT16                  QueueSize
   );
 
 EFI_STATUS
 EFIAPI
 VirtioMmioSetDeviceStatus (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT8                   DeviceStatus
+  IN VIRTIO_DEVICE_PROTOCOL  *This,
+  IN UINT8                   DeviceStatus
   );
 
 EFI_STATUS
 EFIAPI
 VirtioMmioSetQueueNotify (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT16                  QueueNotify
+  IN VIRTIO_DEVICE_PROTOCOL  *This,
+  IN UINT16                  QueueNotify
   );
 
 EFI_STATUS
 EFIAPI
 VirtioMmioSetQueueSel (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT16                  Sel
+  IN VIRTIO_DEVICE_PROTOCOL  *This,
+  IN UINT16                  Sel
   );
 
 EFI_STATUS
+EFIAPI
 VirtioMmioSetQueueAddress (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT32                  Address
+  IN VIRTIO_DEVICE_PROTOCOL  *This,
+  IN VRING                   *Ring,
+  IN UINT64                  RingBaseShift
   );
 
 EFI_STATUS
 EFIAPI
 VirtioMmioSetQueueAlignment (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT32                  Alignment
+  IN VIRTIO_DEVICE_PROTOCOL  *This,
+  IN UINT32                  Alignment
   );
 
 EFI_STATUS
 EFIAPI
 VirtioMmioSetPageSize (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT32                  PageSize
+  IN VIRTIO_DEVICE_PROTOCOL  *This,
+  IN UINT32                  PageSize
   );
 
 EFI_STATUS
 EFIAPI
 VirtioMmioSetGuestFeatures (
-  VIRTIO_DEVICE_PROTOCOL *This,
-  UINT32                  Features
+  IN VIRTIO_DEVICE_PROTOCOL  *This,
+  IN UINT64                  Features
+  );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioAllocateSharedPages (
+  IN  VIRTIO_DEVICE_PROTOCOL  *This,
+  IN  UINTN                   NumPages,
+  OUT VOID                    **HostAddress
+  );
+
+VOID
+EFIAPI
+VirtioMmioFreeSharedPages (
+  IN  VIRTIO_DEVICE_PROTOCOL  *This,
+  IN  UINTN                   NumPages,
+  IN  VOID                    *HostAddress
+  );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioMapSharedBuffer (
+  IN      VIRTIO_DEVICE_PROTOCOL  *This,
+  IN      VIRTIO_MAP_OPERATION    Operation,
+  IN      VOID                    *HostAddress,
+  IN OUT  UINTN                   *NumberOfBytes,
+  OUT     EFI_PHYSICAL_ADDRESS    *DeviceAddress,
+  OUT     VOID                    **Mapping
+  );
+
+EFI_STATUS
+EFIAPI
+VirtioMmioUnmapSharedBuffer (
+  IN  VIRTIO_DEVICE_PROTOCOL  *This,
+  IN  VOID                    *Mapping
   );
 
 #endif // _VIRTIO_MMIO_DEVICE_INTERNAL_H_